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Finding the Fourth Proportional to 101,468.79, 140,027.09 and 56,148.68

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Solution

The fourth proportional to 101,468.79, 140,027.09 and 56,148.68 is: 77,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,468.79 : 140,027.09 = 56,148.68 : x
  2. Step 2: Convert to fraction form
    101,468.79/140,027.09 = 56,148.68/x
  3. Step 3: Cross multiply
    101,468.79x = 140,027.09 × 56,148.68
  4. Step 4: Simplify right side
    101,468.79x = 7,862,336,267.74
  5. Step 5: Solve for x
    x = 7,862,336,267.74/101,468.79
  6. Step 6: Final answer
    x = 77,485.27

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